CN116399642A - Columnar sampler suitable for in-situ sampling of sandy and silt sediments - Google Patents
Columnar sampler suitable for in-situ sampling of sandy and silt sediments Download PDFInfo
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- CN116399642A CN116399642A CN202310673177.7A CN202310673177A CN116399642A CN 116399642 A CN116399642 A CN 116399642A CN 202310673177 A CN202310673177 A CN 202310673177A CN 116399642 A CN116399642 A CN 116399642A
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- 239000013049 sediment Substances 0.000 title claims abstract description 91
- 238000005070 sampling Methods 0.000 title claims abstract description 18
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 72
- 238000009434 installation Methods 0.000 claims abstract description 58
- 239000011521 glass Substances 0.000 claims abstract description 43
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 244000309464 bull Species 0.000 description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000004162 soil erosion Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1006—Dispersed solids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1006—Dispersed solids
- G01N2001/1012—Suspensions
- G01N2001/1025—Liquid suspensions; Slurries; Mud; Sludge
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Hydrology & Water Resources (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention relates to the technical field of samplers, in particular to a columnar sampler suitable for in-situ sampling of sandy and silt sediments. This be adapted to column sampler of sandy and silt deposit normal position sampling includes housing assembly, handle assembly, piston assembly and hinge subassembly, housing assembly includes organic glass pipe, the roof sealing board, installation pipe and a plurality of rotary cutter head, roof sealing board fixed mounting is in the top of organic glass pipe, installation pipe fixed mounting is in the bottom of organic glass pipe, a plurality of rotary cutter head circular array is installed in the bottom of installation pipe, the sampler is more laborsaving when down moving the sample, the suitability is also stronger, owing to rotary cutter head's existence makes the sampler can enter into in the sediment of deeper layer, thereby obtain more complete sediment raw state sample, obtain more accurate sediment raw state data, the sampler can gather more kinds of deposit simultaneously, the variety of gathering has been improved.
Description
Technical Field
The invention relates to the technical field of samplers, in particular to a columnar sampler suitable for in-situ sampling of sandy and silt sediments.
Background
The sediment is formed by accumulation of factors such as soil erosion, atmospheric sedimentation, river bank or river bottom erosion and the like on the bottom of the water body, is an important component part of the water body, is not only a substrate for the growth and fixation of large-scale aquatic plants, but also an advantageous place for the reproduction and living of benthos, and is an important accumulation warehouse for pollutants and heavy metals in the water body, the columnar sampler is mainly used for acquiring sediment samples of the water body or sea and lake sediment, the samples can be used for analyzing the quality of substances, including water quality, pollutants, nutrients and the like, the sampler is embedded into groundwater or sediment to acquire water samples and sample sediment at a certain depth or layer, and the columnar sampler is widely applied to detection and monitoring of polluted groundwater and can also be used for researching the aspects of climate and environmental change and the like of sediment record. The current columnar sampler is not suitable for the conditions of collecting sand, sandy sediment, silt and floating mud, and cannot smoothly drill into the sandy sediment and the silt sediment for collecting, so that the columnar sampler is laborious to operate and has lower working efficiency.
Disclosure of Invention
Based on this, it is necessary to provide a column sampler suitable for in-situ sampling of sandy and silt sediments, so as to solve at least one technical problem set forth in the above background art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a be adapted to column sampler of sandy and silt deposit normal position sampling, including housing assembly, handle assembly, piston assembly and hinge subassembly, housing assembly includes organic glass pipe, the roof sealing board, installation pipe and a plurality of rotatory tool bit, roof sealing board fixed mounting is in the top of organic glass pipe, installation pipe fixed mounting is in the bottom of organic glass pipe, a plurality of rotatory tool bit circular array is installed in the bottom of installation pipe, handle assembly fixed mounting is in the top of roof sealing board, piston assembly wears to locate handle assembly, and slide and set up on the inside wall of organic glass pipe, hinge assembly inserts the bottom of locating the installation pipe, and seal the bottom of installation pipe.
In one embodiment, the handle assembly comprises a hollow steel tube fixedly mounted on the top of the capping plate and a rotating handle fixedly mounted on the top of the hollow steel tube.
In one embodiment, the piston assembly comprises a piston rod, a push-pull handle, a sliding piston and a sealing piston, wherein the piston rod penetrates through the hollow steel pipe, a vertical through hole is formed in the middle of the top sealing plate in a penetrating mode, the piston rod downwards extends to penetrate through the vertical through hole to the lower portion of the organic glass pipe, the push-pull handle is fixedly arranged at the top of the piston rod, the sliding piston is fixedly arranged at the bottom of the piston rod, the sealing piston is slidably arranged on the inner side wall of the organic glass pipe, a sliding buffer cavity is formed in the middle of the sealing piston in a penetrating mode, a sliding ring is fixedly arranged on the outer side wall of the sliding piston, and the sliding piston is slidably arranged in the sliding buffer cavity through the sliding ring.
In one embodiment, the annular hinge mounting groove is formed in the bottom of the inner side wall of the mounting tube, the arc through groove is formed in one side of the bottom of the outer side wall of the mounting tube, the arc through groove is communicated with the hinge mounting groove, the hinge assembly comprises a mounting ring, a hinge piece, a sealing semi-ring, a rotating seat and a mounting handle, the mounting ring is inserted into the hinge mounting groove, the hinge piece is mounted on the inner side wall of the mounting ring, the sealing semi-ring is fixedly mounted on the side wall of the mounting ring, the sealing semi-ring seals the arc through groove, the middle part of the sealing semi-ring, far away from the side wall of the mounting ring, is provided with the handle overturning groove, the mounting tube is close to one side wall bottom of the handle, the handle overturning groove is communicated with the handle overturning groove, the rotating seat is fixedly mounted on one side wall of the handle overturning groove, the mounting handle is rotatably mounted on the rotating seat, and the mounting handle is positioned in the handle overturning groove and the handle overturning groove.
In one embodiment, the bottom fixed mounting of installation handle has the axis of rotation, the installation handle passes through the axis of rotation and rotates the installation on rotating the seat, location gear groove and positioning rack groove have been seted up to the position that seals the semi-ring and is close the installation handle, and location gear groove and positioning rack groove intercommunication each other, the one end fixed mounting of axis of rotation has positioning gear, and positioning gear is located the positioning gear inslot, the positioning card groove has been seted up to the bottom of arc logical groove, positioning rack groove's top fixed mounting has positioning spring, positioning spring's bottom fixed mounting has positioning rack, and positioning rack and positioning gear intermeshing, positioning rack's bottom passes positioning rack groove card and locates in the positioning card groove.
In one embodiment, the hinge piece includes a plurality of hinge bull stick and a plurality of hinge piece, the both ends of a plurality of hinge bull stick are all rotated and are installed on the inside wall of installation ring, and a plurality of hinge bull stick equidistance sets up, the length of a plurality of hinge bull stick reduces along the direction of installation ring center to both sides gradually, a plurality of hinge piece rotates respectively and installs on the lateral wall of a plurality of hinge bull stick, the length of a plurality of hinge piece reduces along the direction of installation ring center to both sides gradually, two hinge pieces correspond to rotate and install in the both sides of a hinge bull stick, a plurality of hinge bull stick is used for sealing the middle part of installation ring with a plurality of hinge piece.
In one embodiment, a plurality of supporting slots are formed in the position, close to the other hinge piece, of the top of the hinge piece, a plurality of supporting bars are fixedly mounted on the top of the hinge piece, and the plurality of supporting bars on the hinge piece are respectively clamped in the plurality of supporting slots of the other adjacent hinge piece.
In one embodiment, an annular rotating groove is formed in the inner side wall of the upper portion of the installation tube, an adjusting rotating ring is installed in the annular rotating groove in a rotating mode, a plurality of wedge-shaped blocks are installed on the inner side wall of the adjusting rotating ring in a rotating mode, and the lower portions of the wedge-shaped blocks are installed on the inner side wall of the installation tube in a rotating mode.
In one embodiment, an arc accommodating cavity is formed in one side wall of the annular rotating groove, a plurality of adjusting teeth are transversely protruding on one side wall of the adjusting rotating ring and are located in the arc accommodating cavity, a vertical adjusting groove is formed in the mounting pipe, the top of the vertical adjusting groove is communicated with the arc accommodating cavity, a vertical rotating rod is movably mounted at the top of the vertical adjusting groove, a first adjusting gear is fixedly mounted at the top of the vertical rotating rod, a second adjusting gear is fixedly mounted at the bottom of the vertical rotating rod, the first adjusting gear is meshed with the adjusting rotating ring through the plurality of adjusting teeth, an adjusting rack groove is formed in the bottom of the vertical adjusting groove and is communicated with the arc communicating groove, the vertical rotating rod is installed at the bottom of the adjusting rack groove in a downward extending mode, the second adjusting gear is located in the adjusting rack groove, an adjusting rack is meshed with the second adjusting gear, one end of the adjusting rack is fixedly mounted at one end of the closed semi-ring, and the adjusting rack is located at one side of the second adjusting gear, which is far away from the mounting ring.
In one embodiment, guide inclined planes are formed on two sides of the wedge-shaped block, a supporting plane is formed on the top of the wedge-shaped block, a plurality of supporting protruding blocks are arranged on the inner side wall of the installation circular ring in a protruding mode, the supporting protruding blocks are arranged corresponding to hinge pieces with the minimum length, the supporting protruding blocks are used for supporting two hinge pieces on the most edge, the rotary cutter head is arranged in a tilting mode, and the plurality of wedge-shaped blocks are arranged corresponding to the plurality of rotary cutter heads.
Compared with the prior art, the invention has the beneficial effects that:
1. the rotating tool bit is more favorable to entering into in the sandy sediment when rotatory, can reduce the strength of pushing down, and can break open the sandy sediment of bottom when a plurality of rotating tool bit rotates the downwardly moving for install tube and organic glass tube enter into in the sandy sediment more easily, the sampler is more laborsaving when down moving and taking a sample, the suitability is also stronger, because the existence of rotating tool bit makes the sampler can enter into in the sediment of deeper layer, thereby more kinds of sediment that makes the sampler can gather have improved the variety of gathering.
2. The total area of initial contact between deposited matters and the sliding piston and the sealing piston is reduced, so that the pressure of the deposited matters to the sliding piston and the sealing piston is more concentrated, the sliding piston and the sealing piston can be jacked up by using a larger concentrated initial pressure, a certain initial speed is obtained by the sliding piston and the sealing piston, and when the initial speed is obtained by jacking the sliding piston and the sealing piston, the follow-up sliding piston and the sealing piston can be continuously jacked up by using smaller pressure, so that the labor is saved, and the working efficiency is improved.
3. The bottom of the two minimum hinge sheets is provided with a plurality of supporting lugs for supporting the two minimum hinge sheets, so that the supporting force of the two minimum hinge sheets is improved, the top of the wedge-shaped block is provided with a supporting plane, the supporting plane can play a certain supporting role on collected sediments, the pressure born by the plurality of hinge sheets is reduced, the possibility of damage to the hinge sheets is reduced, and the stability and reliability are improved.
4. The cooperation of positioning rack and positioning card groove can play the positioning role to the installation of hinge subassembly, and hinge subassembly also can not deviate from easily when using, has improved the stability of equipment.
5. The push-pull handle can be pushed out of the organic glass tube and the sediment in the mounting tube continuously with smaller push force so as to take out the sediment, save the force required by pushing out and improve the practicability.
6. The supporting plane can be inclined by the inclination of the wedge blocks, so that the pushing resistance of pushing out can be reduced when pushing out the sediment in the organic glass tube and the installation tube by pushing the push-pull handle, the situation that the sediment is pushed out by the supporting plane to be propped against the sediment so that the sediment is large in resistance is prevented, and the pushing-out efficiency of the equipment is improved.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 3 is an enlarged partial schematic view of FIG. 2A;
FIG. 4 is a schematic view of a hinge assembly and a portion of a housing assembly according to an embodiment of the present invention;
FIG. 5 is a schematic view showing the structure of a mounting handle according to an embodiment of the present invention;
FIG. 6 is a schematic view showing a construction of a mounting tube according to an embodiment of the present invention;
fig. 7 is a schematic cross-sectional view of a closed half ring according to an embodiment of the invention.
In the figure: 10. a housing assembly; 20. a handle assembly; 30. a piston assembly; 40. a hinge assembly; 11. an organic glass tube; 12. a top sealing plate; 13. installing a pipe; 14. rotating the cutter head; 21. hollow steel pipe; 22. rotating the handle; 31. a piston rod; 32. a push-pull handle; 33. a sliding piston; 34. a sealing piston; 121. a vertical through hole; 341. a sliding buffer chamber; 331. a slip ring; 131. a hinge mounting groove; 132. arc through grooves; 41. installing a circular ring; 42. a hinge member; 43. closing the semi-ring; 44. a rotating seat; 45. a handle is installed; 430. a handle accommodating groove; 431. a handle overturning groove; 451. a rotating shaft; 452. positioning a gear groove; 453. positioning a rack groove; 133. positioning clamping grooves; 454. a positioning spring; 455. positioning a rack; 456. positioning gears; 421. a hinge rotating rod; 422. a hinge piece; 423. a support groove; 424. a support bar; 134. an annular rotating groove; 135. adjusting the rotating ring; 16. wedge blocks; 15. an arc-shaped accommodating cavity; 136. adjusting teeth; 137. a vertical adjustment slot; 138. a vertical rotating rod; 139. a first adjusting gear; 130. a second adjusting gear; 432. adjusting the rack slot; 433. adjusting the rack; 161. a guide slope; 162. a support plane; 411. supporting the bump; 163. an auxiliary vertical groove; 164. is connected with the rotating shaft.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The invention provides a columnar sampler suitable for in-situ sampling of sandy and silt sediments, which is shown in fig. 1-7, and comprises a shell component 10, a handle component 20, a piston component 30 and a hinge component 40, wherein the shell component 10 comprises a plastic glass tube 11, a top sealing plate 12, a mounting tube 13 and a plurality of rotary cutter heads 14, the top sealing plate 12 is fixedly arranged at the top of the plastic glass tube 11, the mounting tube 13 is fixedly arranged at the bottom of the plastic glass tube 11, a plurality of rotary cutter heads 14 are circularly arranged at the bottom of the mounting tube 13, the handle component 20 is fixedly arranged at the top of the top sealing plate 12, the piston component 30 penetrates through the handle component 20 and is arranged on the inner side wall of the plastic glass tube 11 in a sliding manner, and the hinge component 40 is inserted into the bottom of the mounting tube 13 and seals the bottom of the mounting tube 13.
The handle assembly 20 includes a hollow steel tube 21 and a rotary handle 22, the hollow steel tube 21 being fixedly mounted on top of the capping plate 12, the rotary handle 22 being fixedly mounted on top of the hollow steel tube 21.
The piston assembly 30 comprises a piston rod 31, a push-pull handle 32, a sliding piston 33 and a sealing piston 34, wherein the piston rod 31 penetrates through the hollow steel tube 21, a vertical through hole 121 is formed in the middle of the top sealing plate 12 in a penetrating mode, the piston rod 31 downwards extends to the lower portion of the organic glass tube 11 through the vertical through hole 121, the push-pull handle 32 is fixedly arranged at the top of the piston rod 31, the sliding piston 33 is fixedly arranged at the bottom of the piston rod 31, the sealing piston 34 is slidably arranged on the inner side wall of the organic glass tube 11, a sliding buffer cavity 341 is formed in the middle of the sealing piston 34 in a penetrating mode, a sliding ring 331 is fixedly arranged on the outer side wall of the sliding piston 33, and the sliding piston 33 is slidably arranged in the sliding buffer cavity 341 through the sliding ring 331.
The annular hinge mounting groove 131 has been seted up to the inside wall bottom of installation tube 13, arc logical groove 132 has been seted up to bottom one side of installation tube 13 lateral wall, and arc logical groove 132 communicates with hinge mounting groove 131 each other, hinge assembly 40 includes installation ring 41, hinge piece 42, seal semi-ring 43, rotate seat 44 and installation handle 45, installation ring 41 inserts and locates in hinge mounting groove 131, hinge piece 42 installs on the inside wall of installation ring 41, seal semi-ring 43 fixed mounting is on the lateral wall of installation ring 41, and seal semi-ring 43 seals arc logical groove 132, seal semi-ring 43 has kept away from the middle part of installation ring 41 lateral wall and has seted up handle turning groove 431, handle accepting groove 430 has been seted up to a lateral wall bottom that installation tube 13 is close to the handle, handle accepting groove 430 communicates with handle turning groove 431 each other, rotate seat 44 fixed mounting is on a lateral wall that handle turning groove 431 is close to installation ring 41, installation handle 45 rotates and installs on rotating seat 44, and installation handle 45 is located handle turning groove 431 and handle accepting groove 430.
The bottom fixed mounting of installation handle 45 has axis of rotation 451, installation handle 45 passes through axis of rotation 451 and rotates the installation on rotating seat 44, close the position that semi-ring 43 is adjacent installation handle 45 and seted up location gear groove 452 and positioning rack groove 453, and location gear groove 452 and positioning rack groove 453 intercommunication each other, the one end fixed mounting of axis of rotation 451 has positioning gear 456, and positioning gear 456 is located positioning gear groove 452, the location draw-in groove 133 has been seted up to the bottom of arc logical groove 132, the top fixed mounting of positioning rack groove 453 has positioning spring 454, the bottom fixed mounting of positioning spring 454 has positioning rack 455, and positioning rack 455 and positioning gear 456 intermesh, the bottom of positioning rack 455 passes positioning rack groove 453 card and locates in the positioning card groove 133.
The hinge piece 42 includes a plurality of hinge bull stick 421 and a plurality of hinge piece 422, the both ends of a plurality of hinge bull stick 421 are all rotated and are installed on the inside wall of installation ring 41, and a plurality of hinge bull stick 421 equidistance sets up, the length of a plurality of hinge bull stick 421 reduces along the direction of installation ring 41 center to both sides gradually, a plurality of hinge piece 422 rotates respectively and installs on the lateral wall of a plurality of hinge bull stick 421, the length of a plurality of hinge piece 422 reduces along the direction of installation ring 41 center to both sides gradually, two hinge pieces 422 correspond to rotate and install in the both sides of a hinge bull stick 421, a plurality of hinge bull stick 421 and a plurality of hinge piece 422 are used for sealing the middle part of installation ring 41.
A plurality of supporting grooves 423 are formed in the top of the hinge piece 422, which is close to the other hinge piece 422, a plurality of supporting bars 424 are fixedly arranged at the top of the hinge piece 422, and the plurality of supporting bars 424 on the hinge piece 422 are respectively clamped in the plurality of supporting grooves 423 of the other adjacent hinge piece 422.
An annular rotating groove 134 is formed in the inner side wall of the upper portion of the mounting tube 13, an adjusting rotating ring 135 is rotatably mounted in the annular rotating groove 134, a plurality of wedge blocks 16 are rotatably mounted on the inner side wall of the adjusting rotating ring 135, and the lower portion of each wedge block 16 is rotatably mounted on the inner side wall of the mounting tube 13.
An arc accommodating cavity 15 is formed in one side wall of the annular rotating groove 134, a plurality of adjusting teeth 136 are transversely protruding on one side wall of the adjusting rotating ring 135, the plurality of adjusting teeth 136 are located in the arc accommodating cavity 15, a vertical adjusting groove 137 is formed in the mounting tube 13, the top of the vertical adjusting groove 137 is communicated with the arc accommodating cavity 15, a vertical rotating rod 138 is movably mounted at the top of the vertical adjusting groove 137, a first adjusting gear 139 is fixedly mounted at the top of the vertical rotating rod 138, a second adjusting gear 130 is fixedly mounted at the bottom of the vertical rotating rod 138, the first adjusting gear 139 is meshed with the adjusting rotating ring 135 through the plurality of adjusting teeth 136, an adjusting rack groove 432 is formed in the bottom of the vertical adjusting groove 137, the adjusting rack groove 432 is communicated with the arc communicating groove 132, the vertical rotating rod 138 extends downwards to be rotatably mounted at the bottom of the adjusting rack groove 432, the second adjusting gear 130 is located in the adjusting rack groove 432, an adjusting rack 433 is meshed with the second adjusting rack 130, one end of the adjusting rack 433 is fixedly mounted at one end of the closed semi-ring 43, and the adjusting rack 433 is located at one side of the second adjusting gear 130, which is far away from the mounting ring 41.
Guide inclined planes 161 are formed on two sides of the wedge-shaped block 16, a supporting plane 162 is formed on the top of the wedge-shaped block 16, a plurality of supporting protruding blocks 411 are arranged on the inner side wall of the installation circular ring 41 in a protruding mode, the supporting protruding blocks 411 are arranged corresponding to hinge pieces 422 with the minimum length, the supporting protruding blocks 411 are used for supporting two hinge pieces 422 on the edge, the rotary cutter heads 14 are arranged in an inclined mode, and the wedge-shaped blocks 16 are arranged corresponding to the rotary cutter heads 14.
In an embodiment, the operator rotates and pushes down the rotary handle 22, the rotary handle 22 drives the hollow steel tube 21 to rotate and move downwards, the hollow steel tube 21 drives the sealing top plate 12 to rotate and move downwards, the sealing top plate 12 drives the organic glass tube 11 to rotate and move downwards, the organic glass tube 11 drives the mounting tube 13 to rotate and move downwards, the mounting tube 13 drives the plurality of rotary cutter heads 14 to rotate and move downwards, the rotary cutter heads 14 are arranged in an inclined mode, so that the rotary cutter heads 14 are more beneficial to entering into sandy sediments when rotating, the force of pushing down can be reduced, and the sand sediments at the bottom can be broken when the plurality of rotary cutter heads 14 rotate and move downwards, so that the mounting tube 13 and the organic glass tube 11 are easier to enter into the sandy sediments, the sampler is more labor-saving when moving downwards to sample, the applicability is stronger, and the sampler can enter into deeper sediments due to the existence of the rotary cutter heads 14, so that the sampler can collect more kinds of sediments, and the diversity of collection is improved.
When the rotary cutter head 14 moves downwards, sand sediment enters the mounting tube 13 through the hinge piece 42, when the sediment is positioned below the hinge piece 42, the mounting tube 13 moves downwards to enable the sediment to move upwards relatively, the sediment can jack up a plurality of hinge sheets 422 to turn over, so that the sediment can enter the mounting tube 13 from a gap where the hinge sheets 422 turn over and open, the mounting tube 13 and the organic glass tube 11 move downwards continuously, the collected sediment can jack up the sliding piston 33, the sliding piston 33 can drive the sealing piston 34 to move upwards, the sliding piston 33 can also drive the piston rod 31 to move upwards in the hollow steel tube 21, the piston rod 31 can drive the push-pull handle 32 to move upwards, the collected sediment enters the organic glass tube 11 and the mounting tube 13, a plurality of wedge-shaped blocks 16 corresponding to the plurality of rotary cutter head 14 are arranged in the mounting tube 13, when the rotary cutter head 14 moves downward, a corresponding track can be left on the sediment, the wedge block 16 corresponding to the rotary cutter head 14 can move downward along the track left by the rotary cutter head 14, so that the resistance when sediment is collected is reduced, when sediment just begins to be accumulated below the sliding piston 33 and the sealing piston 34, the bottom of the sliding piston 33 and the sealing piston 34 can not be immediately accumulated when sediment just begins to be collected, and then the sliding piston 33 and the sealing piston 34 are pushed, the wedge block 16 is arranged, the sediment just begins to move upward along the guide inclined surface 161 on the wedge block 16 and begins to be accumulated, and the upper part of the wedge block 16 is larger than the lower part of the wedge block 16, so that the volume of the sliding piston 33 and the bottom of the sealing piston 34 can be reduced, therefore, the efficiency of accumulating sediments and pushing the sliding piston 33 and the sealing piston 34 is improved, the bottom of the sealing piston 34 is just abutted against the top of the wedge block 16, the total contact area of the accumulated sediments and the sliding piston 33 and the sealing piston 34 can be reduced, the pressure of the sediments to the sliding piston 33 and the sealing piston 34 can be more concentrated, the sliding piston 33 and the sealing piston 34 can be jacked up by a larger concentrated initial pressure, a certain initial speed is obtained for the sliding piston 33 and the sealing piston 34, and when the sliding piston 33 and the sealing piston 34 are jacked up to obtain the initial speed, the follow-up jacking of the sliding piston 33 and the sealing piston 34 can be continued by a smaller pressure, so that the labor can be saved, and the working efficiency is improved.
In an embodiment, after the collected objects are collected, the rotating handle 22 is lifted up, so that the whole sampler is taken out, at this time, the organic glass tube 11 and the sediment in the mounting tube 13 have a downward movement trend, so that the plurality of hinge plates 422 are turned over under the downward turning pressure, the plurality of support bars 424 on the hinge plates 422 are turned over along with the hinge plates 422, the plurality of support bars 424 are turned over and clamped into the plurality of support grooves 423 corresponding to the adjacent hinge plates 422, the plurality of hinge plates 422 can be uniformly stressed, certain heavier substances carried by the sediment on one side are prevented, the hinge plates 422 cannot support the weight of the sediment to cause damage, the bottoms of the two minimum hinge plates 422 are provided with a plurality of support protrusions 411 for supporting the two minimum hinge plates 422, so that the supporting force of the two minimum hinge plates 422 is improved, the top of the wedge block 16 is provided with a support plane 162, the support plane 162 can play a certain supporting role on the collected sediment, the pressure on the plurality of plates 422 is reduced, the hinge plates 422 are damaged, the reliability is improved, and the stability and reliability of the hinge plates 422 are improved.
In an embodiment, when the organic glass tube 11 and the sediment collected in the mounting tube 13 need to be taken out, the hinge assembly 40 needs to be pulled out from the mounting tube 13, the positioning racks 455 and the positioning gears 456 are arranged in the closed semi-ring 43, the operator rotates the mounting handle 45, the mounting handle 45 is enabled to overturn out of the handle accommodating groove 430, the mounting handle 45 rotates to drive the rotating shaft 451 to rotate, the rotating shaft 451 drives the positioning gears 456 to rotate, the positioning gears 456 rotate to drive the positioning racks 455 to move upwards, the positioning racks 455 move upwards to leave the positioning clamping groove 133, the positioning racks 455 completely enter the positioning rack groove 453, at this time, the mounting handle 45 is pulled to move in a direction far away from the mounting tube 13, the rotating seat 44 can drive the rotating seat 44 to move in a direction far away from the mounting tube 13, the sealing semi-ring 43 can drive the mounting ring 41 to move in a direction far away from the mounting tube 13, the mounting ring 41 can drive the driving piece 42 to move in a direction far away from the mounting tube 13, and therefore the whole hinge assembly 40 can not be taken out from the hinge assembly 40 when the hinge assembly is matched with the hinge assembly 40, and the stability of the hinge assembly can not be improved, and the stability of the hinge assembly can be improved.
When the hinge assembly 40 is taken out, an operator pushes the push-pull handle 32, the push-pull handle 32 can drive the piston rod 31 to move towards the direction of the rotary cutter head 14, the piston rod 31 can drive the sliding piston 33 to move towards the direction of the rotary cutter head 14, the sliding piston 33 can drive the sliding piston 331 to move towards the direction of the rotary cutter head 14, when the sliding piston 331 moves towards the direction of the rotary cutter head 14 by a certain distance and abuts against the bottom of the sliding buffer cavity 341, the sealing piston 34 can be driven to move towards the direction of the rotary cutter head 14, the sliding piston 33 and the sealing piston 34 can move towards the direction of the rotary cutter head 14, sediment in the organic glass tube 11 and the mounting tube 13 can be pushed out towards the direction of the rotary cutter head 14, larger acting force is needed to push the push-pull handle 32 when the sediment is pushed out, the sediment is difficult to be pushed out, the sediment is difficult to push out, when the sliding piston 33 is only pushed out towards the axis of the rotary cutter head 14, the sediment on the axis of the organic glass tube 11 can be pushed out, the thrust force on the sliding piston 33 is reduced, and the sealing piston 33 is required to be pushed out towards the direction of the rotary cutter head 14 when the sealing piston 33 is required to be pushed out, and the speed of the sealing piston 33 is required to be increased, and the speed of the sealing tube is required to be pushed out, and the sediment is more speed is required to be pushed.
In an embodiment, when the closed semi-ring 43 moves in a direction away from the mounting tube 13, the adjusting rack 433 can be driven to move in a direction of the closed semi-ring 43, the second adjusting gear 130 can be driven to rotate by the movement of the adjusting rack 433, the vertical rotating rod 138 can be driven to rotate by the rotation of the second adjusting gear 130, the first adjusting gear 139 can be driven to rotate by the rotation of the vertical rotating rod 138, the adjusting rotating ring 135 can be driven to rotate by the plurality of adjusting teeth 136, the plurality of wedge blocks 16 can be driven to incline by the rotation of the adjusting rotating ring 135, the plurality of wedge blocks 16 can incline, at this time, the pushing resistance of pushing the organic glass tube 11 and the sediment in the mounting tube 13 can be reduced by pushing the push-pull handle 32, the condition that the supporting plane 162 is propped against the sediment so that the sediment pushing resistance is larger occurs is prevented, and the pushing efficiency of the equipment is improved.
It should be noted that, in an embodiment, an auxiliary vertical slot 163 is formed on a side wall of the wedge block 16 facing the adjusting rotating ring 135, the upper portion of the wedge block 16 is rotatably mounted on the adjusting rotating ring 135 through a connecting rotating shaft 164, and when the adjusting rotating ring 135 rotates, the connecting rotating shaft 164 can slide on the auxiliary vertical slot 163, so as to realize the tilting deflection of the wedge block 16, and achieve the purpose of adjusting the orientation of the supporting plane 162 on the wedge block 16.
During installation, the top sealing plate 12 is fixedly installed on the top of the organic glass tube 11, the installation tube 13 is fixedly installed on the bottom of the organic glass tube 11, the circular array of the plurality of rotary cutter heads 14 is installed on the bottom of the installation tube 13, the hollow steel tube 21 is fixedly installed on the top of the top sealing plate 12, the rotary handle 22 is fixedly installed on the top of the hollow steel tube 21, the piston rod 31 penetrates through the inside of the hollow steel tube 21, the push-pull handle 32 is fixedly installed on the top of the piston rod 31, the sliding piston 33 is fixedly installed on the bottom of the piston rod 31, the sealing piston 34 is slidingly installed on the inner side wall of the organic glass tube 11, the sliding piston 33 is slidingly installed in the sliding buffer cavity 341 through the sliding ring 331, the installation ring 41 is inserted in the hinge installation groove 131, the hinge piece 42 is installed on the inner side wall of the installation ring 41, the sealing ring 43 is fixedly installed on the side wall of the installation ring 41, the sealing ring 43 seals the arc-shaped through groove 132, the rotation seat 44 is fixedly installed on one side wall of the handle turnover groove 431 close to the installation ring 41, and the installation handle 45 is rotationally installed on the rotation seat 44.
One end fixed mounting at the top of rack groove 453 of location spring 454, the other end fixed mounting is at the top of rack 455, rack 455 and positioning gear 456 intermeshing, the bottom of rack 455 passes rack groove 453 card and locates in the positioning card groove 133, the both ends of a plurality of hinge bull stick 421 are all rotated and are installed on the inside wall of installation ring 41, a plurality of hinge piece 422 is rotated respectively and are installed on the lateral wall of a plurality of hinge bull stick 421, a plurality of hinge bull stick 421 and a plurality of hinge piece 422 are used for sealing the middle part of installation ring 41, support bar 424 fixed mounting is at the top of hinge piece 422, a plurality of support bar 424 on the hinge piece 422 block respectively locate in a plurality of supporting groove 423 of another hinge piece 422 that is adjacent, adjust rotation ring 135 rotation and install in annular rotation groove 134, the upper portion of a plurality of wedge 16 is rotated and is installed on the inside wall of adjusting rotation ring 135, the lower part of wedge 16 is rotated and is installed on the inside wall of installation pipe 13, vertical rotation pole 138 is rotated and is installed in vertical adjustment groove 137, first adjusting gear 139 fixed mounting is at the top of vertical rotation pole 138, second adjusting gear 130 fixed mounting is at the bottom of the fixed mounting of the semi-ring 43 of adjusting pole.
In another embodiment, in order to collect the sediment with complete silt, the plurality of rotary cutter heads 14 are configured as detachable rotary cutter heads 14, and because the sediment with silt does not need to be broken by the rotary cutter heads 14 during collection, the collection of the sediment with silt can be performed only by directly inserting the sampler into the sediment with silt, when an operator needs to collect the sediment with silt, the plurality of rotary cutter heads 14 are only required to be dismantled, then the rotary handle 22 is pressed down, the rotary handle 22 drives the hollow steel tube 21 to move downwards, the hollow steel tube 21 drives the organic glass tube 11 to move downwards, and the organic glass tube 11 drives the mounting tube 13 to move downwards, thereby collecting the sediment with silt, and preventing the condition that the sediment with silt is not accurately sampled due to stirring of the silt during collection of the sediment by the rotary cutter heads 14.
The beneficial effects are that: 1. the rotary cutter head 14 is more favorable to entering into the sandy sediment when rotatory, can reduce the strength of pushing down, and can break the sandy sediment of bottom when a plurality of rotary cutter head 14 rotates to move down for in installation pipe 13 and organic glass pipe 11 enter into the sandy sediment more easily, the sampler is more laborsaving when moving down and taking a sample, the suitability is also stronger, because the existence of rotary cutter head 14 makes the sampler can enter into in the sediment of deeper layer, thereby more kinds of sediment that makes the sampler can gather, the diversity of gathering has been improved.
2. The total area of initial contact between accumulated sediment and the sliding piston 33 and the sealing piston 34 is reduced, so that the pressure of the sediment to the sliding piston 33 and the sealing piston 34 is more concentrated, the sliding piston 33 and the sealing piston 34 can be jacked up by using a larger concentrated initial pressure, a certain initial speed is obtained between the sliding piston 33 and the sealing piston 34, and when the sliding piston 33 and the sealing piston 34 are jacked up to obtain the initial speed, the follow-up sliding piston 33 and the sealing piston 34 can be jacked up continuously by using a smaller pressure, so that the labor is saved, and the working efficiency is improved.
3. The bottom of the two minimum hinge plates 422 is provided with a plurality of supporting lugs 411 for supporting the two minimum hinge plates 422, so that the supporting force of the two minimum hinge plates 422 is improved, the top of the wedge-shaped block 16 is provided with a supporting plane 162, the supporting plane 162 can play a certain supporting role on collected sediments, the pressure born by the plurality of hinge plates 422 is reduced, the possibility of damage to the hinge plates 422 is reduced, and the stability and the reliability are improved.
4. The cooperation of positioning rack 455 and positioning card slot 133 can play the positioning role to the installation of hinge subassembly 40, and hinge subassembly 40 also can not deviate from easily when using, has improved the stability of equipment.
5. The required thrust can be reduced, when the sliding ring 331 on the sliding piston 33 drives the sealing piston 34 to move towards the direction of the rotary cutter head 14, the sliding piston 33 has a certain speed, and at the moment, the push-pull handle 32 can be continuously pushed by smaller thrust to push out the sediment in the organic glass tube 11 and the mounting tube 13, so that the sediment is taken out, the force required by pushing out is saved, and the practicability is improved.
6. The supporting plane 162 can be inclined by the inclination of the wedge-shaped blocks 16, so that the pushing resistance of pushing out can be reduced when pushing out the sediment in the organic glass tube 11 and the installation tube 13 by pushing the push-pull handle 32, the situation that the supporting plane 162 abuts against the sediment to cause the sediment to be pushed out to be larger is prevented, and the pushing-out efficiency of the equipment is improved.
All possible combinations of the technical features in the above embodiments are described, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above embodiments represent only a few embodiments of the present invention, which are described in more detail and are not to be construed as limiting the scope of the present invention. It should be noted that numerous variations and modifications could be made to the person skilled in the art without departing from the spirit of the invention, which would fall within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. The utility model provides a be adapted to column sampler of sandy and silt deposit normal position sampling, a serial communication port, including housing assembly (10), handle subassembly (20), piston subassembly (30) and hinge subassembly (40), housing assembly (10) are including organic glass pipe (11), capping board (12), install pipe (13) and a plurality of rotatory tool bit (14), capping board (12) fixed mounting is in the top of organic glass pipe (11), install pipe (13) fixed mounting in the bottom of organic glass pipe (11), a plurality of rotatory tool bit (14) circular array is installed in the bottom of install pipe (13), rotatory tool bit (14) are the detachable tool bit, handle subassembly (20) fixed mounting is in the top of capping board (12), handle subassembly (20) are worn to locate by piston subassembly (30), and slide and set up on the inside wall of organic glass pipe (11), the bottom of installing pipe (13) is inserted to hinge subassembly (40), and seal the bottom of installing pipe (13).
2. The column sampler adapted for in-situ sampling of sandy and muddy sediment according to claim 1, characterized in that the handle assembly (20) comprises a hollow steel tube (21) and a rotary handle (22), the hollow steel tube (21) being fixedly mounted on top of the top-sealing plate (12), the rotary handle (22) being fixedly mounted on top of the hollow steel tube (21).
3. The columnar sampler suitable for in-situ sampling of sandy and silt deposits according to claim 2, wherein the piston assembly (30) comprises a piston rod (31), a push-pull handle (32), a sliding piston (33) and a sealing piston (34), the piston rod (31) is arranged in the hollow steel tube (21) in a penetrating manner, a vertical through hole (121) is formed in the middle of the top sealing plate (12) in a penetrating manner, the piston rod (31) extends downwards to the lower part of the organic glass tube (11) through the vertical through hole (121), the push-pull handle (32) is fixedly arranged at the top of the piston rod (31), the sliding piston (33) is fixedly arranged at the bottom of the piston rod (31), the sealing piston (34) is slidably arranged on the inner side wall of the organic glass tube (11), a sliding buffer cavity (341) is formed in the middle of the sealing piston (34), a sliding ring (331) is fixedly arranged on the outer side wall of the sliding piston (33), and the sliding piston (33) is slidably arranged in the sliding buffer cavity (341) through the sliding ring (331).
4. The columnar sampler suitable for in-situ sampling of sandy and muddy sediments according to claim 3, wherein an annular hinge mounting groove (131) is formed in the bottom of the inner side wall of the mounting pipe (13), an arc through groove (132) is formed in one side of the bottom of the outer side wall of the mounting pipe (13), the arc through groove (132) is communicated with the hinge mounting groove (131), the hinge assembly (40) comprises a mounting circular ring (41), a hinge piece (42), a closed semi-ring (43), a rotating seat (44) and a mounting handle (45), the mounting circular ring (41) is inserted into the hinge mounting groove (131), the hinge piece (42) is mounted on the inner side wall of the mounting circular ring (41), the closed semi-ring (43) is fixedly mounted on the side wall of the mounting circular ring (41), the closed semi-ring (43) is closed, a handle overturning groove (431) is formed in the middle of the side wall of the mounting pipe (13), a handle accommodating groove (430) is formed in the bottom of one side wall of the mounting pipe (13) close to the handle, the handle accommodating groove (430) is communicated with the overturning groove (431) and is mounted on the rotating seat (44) in a fixed manner on the rotating seat (44) which is arranged close to the rotating seat (44), and the mounting handle (45) is positioned in the handle overturning groove (431) and the handle accommodating groove (430).
5. The columnar sampler suitable for in-situ sampling of sandy and muddy sediments according to claim 4, wherein a rotating shaft (451) is fixedly arranged at the bottom of the mounting handle (45), the mounting handle (45) is rotatably arranged on the rotating seat (44) through the rotating shaft (451), a positioning gear groove (452) and a positioning rack groove (453) are formed in the position, adjacent to the mounting handle (45), of the sealing semi-ring (43), the positioning gear groove (452) and the positioning rack groove (453) are mutually communicated, a positioning gear (456) is fixedly arranged at one end of the rotating shaft (451), the positioning gear (456) is positioned in the positioning gear groove (452), a positioning clamping groove (133) is formed at the bottom of the arc-shaped through groove (132), a positioning spring (454) is fixedly arranged at the top of the positioning rack groove (453), a positioning rack (455) is fixedly arranged at the bottom of the positioning spring (454), the positioning rack (455) is meshed with the positioning gear (456), and the bottom of the positioning rack (455) penetrates through the positioning rack groove (453) to be clamped in the positioning clamping groove (133).
6. The columnar sampler suitable for in-situ sampling of sandy and silt deposits according to claim 5, wherein the hinge piece (42) comprises a plurality of hinge rotating rods (421) and a plurality of hinge plates (422), both ends of the plurality of hinge rotating rods (421) are rotatably mounted on the inner side wall of the mounting circular ring (41), the plurality of hinge rotating rods (421) are equidistantly arranged, the length of the plurality of hinge rotating rods (421) is gradually reduced along the direction from the center of the mounting circular ring (41) to both sides, the plurality of hinge plates (422) are rotatably mounted on the side walls of the plurality of hinge rotating rods (421) respectively, the length of the plurality of hinge plates (422) is gradually reduced along the direction from the center of the mounting circular ring (41) to both sides, the two hinge plates (422) are correspondingly rotatably mounted on both sides of one hinge rotating rod (421), and the plurality of hinge rotating rods (421) are used for sealing the middle part of the mounting circular ring (41).
7. The columnar sampler suitable for in-situ sampling of sandy and silt sediments according to claim 6, wherein a plurality of supporting grooves (423) are formed in the top of each hinge piece (422) near to the other hinge piece (422), a plurality of supporting bars (424) are fixedly arranged on the top of each hinge piece (422), and the plurality of supporting bars (424) on each hinge piece (422) are respectively clamped in the plurality of supporting grooves (423) of the adjacent other hinge piece (422).
8. The columnar sampler suitable for in-situ sampling of sandy and silt deposits according to claim 7, characterized in that an annular rotating groove (134) is formed in the inner side wall of the upper part of the mounting tube (13), an adjusting rotating ring (135) is rotatably mounted in the annular rotating groove (134), a plurality of wedge-shaped blocks (16) are rotatably mounted on the inner side wall of the adjusting rotating ring (135), and the lower part of the wedge-shaped blocks (16) is rotatably mounted on the inner side wall of the mounting tube (13).
9. The columnar sampler suitable for in-situ sampling of sandy and muddy sediments according to claim 8, wherein an arc-shaped accommodating cavity (15) is formed in one side wall of the annular rotating groove (134), a plurality of adjusting teeth (136) are transversely and convexly arranged on one side wall of the adjusting rotating ring (135), the plurality of adjusting teeth (136) are positioned in the arc-shaped accommodating cavity (15), a vertical adjusting groove (137) is formed in the mounting pipe (13), the top of the vertical adjusting groove (137) is communicated with the arc-shaped accommodating cavity (15), a vertical rotating rod (138) is movably arranged at the top of the vertical adjusting groove (137), a first adjusting gear (139) is fixedly arranged at the top of the vertical rotating rod (138), a second adjusting gear (130) is fixedly arranged at the bottom of the vertical rotating rod (138), the first adjusting gear (139) is meshed with the adjusting ring (135) through the plurality of adjusting teeth (136), an adjusting rack groove (432) is formed at the bottom of the vertical adjusting groove (137), the adjusting rack groove (432) is communicated with the arc-shaped groove (132), the vertical rotating rod (138) is downwards rotated, the second adjusting rack (433) is arranged at the bottom of the adjusting rack (433) and meshed with the second adjusting rack (130), and one end of the adjusting rack (433) is fixedly arranged at one end of the closed semi-ring (43), and the adjusting rack (433) is positioned at one side of the second adjusting gear (130) far away from the mounting ring (41).
10. The columnar sampler suitable for in-situ sampling of sandy and silt sediments according to claim 9, wherein guide inclined planes (161) are formed on two sides of the wedge-shaped block (16), a supporting plane (162) is formed at the top of the wedge-shaped block (16), a plurality of supporting protruding blocks (411) are arranged on the inner side wall of the installation circular ring (41) in a protruding mode, the supporting protruding blocks (411) are arranged corresponding to hinge pieces (422) with the minimum length, the supporting protruding blocks (411) are used for supporting two hinge pieces (422) on the most edge, the rotary cutter heads (14) are obliquely arranged, and the wedge-shaped blocks (16) are arranged corresponding to the rotary cutter heads (14).
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| CN202310673177.7A CN116399642B (en) | 2023-06-08 | 2023-06-08 | Columnar sampler suitable for in-situ sampling of sandy and silt sediments |
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| CN202310673177.7A CN116399642B (en) | 2023-06-08 | 2023-06-08 | Columnar sampler suitable for in-situ sampling of sandy and silt sediments |
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Cited By (1)
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| CN117367870A (en) * | 2023-12-08 | 2024-01-09 | 四川省亚通工程咨询有限公司 | Geological monitoring device and method for highway geological investigation |
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| CN116399642B (en) | 2023-09-01 |
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